Dobot

Dobot MG400

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Our Verdict: The most cost-effective desktop robot for electronics and small-part automation. Incredible value at under $6,000.

The Dobot MG400 is an ultra-compact desktop robot designed for electronics assembly, precision dispensing, testing, and other small-part handling tasks. Its slim profile and minimal footprint allow it to fit into existing workstations without redesigning production layouts.

With 0.05 mm repeatability and smooth motion profiles optimized for high-speed pick-and-place, the MG400 excels in electronics manufacturing environments. It supports multiple programming interfaces including Dobot’s DobotStudio, Lua scripting, and third-party integration through TCP/IP and Modbus protocols.

Electronics assembly Precision dispensing Quality inspection automation Small-part pick-and-place

Specifications

Payload 750g
Reach 440 mm
Degrees of Freedom 4 (SCARA-style)
Repeatability +/- 0.05 mm
Weight 8 kg (17.6 lbs)
Programming DobotStudio, Lua, TCP/IP, Modbus

Pros & Cons

A quick summary of where this model performs well and where it falls short.

Pros

  • Extremely affordable for production use
  • Ultra-compact fits existing workstations
  • Good 0.05 mm repeatability
  • Multiple programming interfaces
  • Quick setup and deployment

Cons

  • Only 4 DOF limits orientation flexibility
  • 750g payload is light
  • SCARA-style kinematics not suited for all tasks
  • Limited to desktop applications

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